"Maths has never been my thing,but I make it to be 24 amalgams in total. 12 already out and a dozen left?
How is that possible? "

There are 32 teeth. 24 have fillings. There are actully over 24 fillings, since a few teeth have more than one filling. The fillings were almost all placed from when I was around 5? until I was 25. I became sick when I was around 25, and it was then that I gave up processed sugar(except for a few isolated instances when I cheated). Now I am 48. More than 20 years ago when they were placed, very few people were talking about toxicity from mercury fillings. I was diagnosed with chronic fatigue syndrome. My symptoms went through cycles, getting better or worse at times. So did my weight, which varied from 150 to 225 pounds(i am a 5'7" male) When I first became ill, my weight rapidly soared from around 160 to around 200 pounds. Some people who were ill with chronic fatigue syndrome were talking about replacing their mercury fillings. Some did it, but were still ill. Since I had so many mercury fillings, I didn't even want to consider it. What changed my mind recently was one filling breaking, which required me to get a root canal. After that, I switched dentists. My new dentist wanted to replace around half of my fillings(most of the larger ones) since he was afraid that other fillings were having border separation. A number of websites I visited claimed that the average durability of a mercury filling is around 12-13 years. Mine are almost all over 23 years old.when I was young and in college I ate plenty of candy and chocolate. After having 7 amalgams replaced recently, my weight had gone down to around 170 pounds from around 200 pounds a few months earlier. It has remained at around 170 pounds for the past few months.

The 12 large mercury fillings that were removed have been (or are in the process of being) replaced with 3 crowns and 9 inlays or onlays. A few more large fillings may require an inlay or onlay(or perhaps a crown?). After that, the rest will be replaced with composites. Inlays or onlays are much more durable than composites for large fillings in rear teeth. My dentist uses an outside lab to make the inlays and onlays, so they take two visits. One to prep the tooth and get a temporary filling, then the second to get it installed.